Average Co-Inventor Count = 2.73
ph-index = 4
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Matsushita Electric Industrial Co., Ltd. (4 from 27,375 patents)
2. Panasonic Corporation (1 from 16,453 patents)
5 patents:
1. D662085 - Remote controller for digital video disc player
2. D578975 - Digital video disc recorder
3. D534507 - Television tuner
4. D529012 - Digital video disc recorder
5. D290701 - Radio tuner